Register
Help 1,3,7,13,21_ _ next please I don't know the answer ​
44.5k views
5 votes
Help 1,3,7,13,21_ _ next please I don't know the answer ​

User Enes Zor
by
7.7k points

1 Answer

6 votes
Their differences are in arithmetic progression
1+2=3
3+4=7
7+6=13
13+8=21
21+10= 31
So next term is clearly 31
User FHannes
by
8.1k points
← Prev Question Next Question →

Related questions

User Ngima Sherpa
asked Jul 19, 2024 42.7k views
Which of the following symbols could correctly finish the statement? select all that apply. 1-21_-21
Ngima Sherpa asked Jul 19, 2024
by Ngima Sherpa
7.3k points
1 answer
3 votes
42.7k views
User Registered User
asked Aug 21, 2017 141k views
Anyone a math Genius? simplify each radical expression. -21_/27x^9
Registered User asked Aug 21, 2017
by Registered User
8.4k points
1 answer
0 votes
141k views
User DRz
asked Nov 18, 2018 120k views
What is the rule for the following sequence of numbers: 0,7,14,21_...?
DRz asked Nov 18, 2018
by DRz
9.1k points
1 answer
2 votes
120k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!